3RT2028-1NP30

Siemens 3RT2028-1NP30 Standard Contactor, Size S0, 3-pole, AC/DC 200-280V
Siemens 3RT2028-1NP30 Standard Contactor, Size S0, 3-pole, AC/DC 200-280V

Siemens 3RT2028-1NP30 standard contactor, 3 poles, AC-3 rated current 38A, 18.5kW (400V), control voltage AC/DC 200-280V, equipped with 1NO+1NC auxiliary contacts, screw terminals, rated insulation voltage 690V.

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Siemens 3RT2028-1NP30 Standard Contactor, Size S0, 3-pole, AC/DC 200-280V
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The Siemens 3RT2028-1NP30 is a Size S0, 3-pole standard contactor from the SIRIUS 3RT20 series. It has an AC-3 rated current of 38A and a rated current of 18.5kW (400V), suitable for direct starting and circuit switching of general motors. This model uses a wide-range electronic coil (AC/DC 200-280V), allowing one coil to handle multiple control power supply voltages. It features screw terminals and 1NO+1NC auxiliary contacts, with dimensions of approximately 45×107×85mm.

Core Product Advantages and Features
Size S0, 3-pole main circuit
AC-3 rated current 38A, 18.5kW (400V), suitable for general motor start-stop control.
AC/DC 200-280V wide-range coil
A single coil can be used with multiple AC and DC control power supplies, simplifying spare parts management.
Screw terminals
Traditional crimping methods ensure reliable wiring and are compatible with the installation habits of most distribution boxes.
1NO+1NC auxiliary contact
Provides feedback on the main circuit's operating status, facilitating linkage monitoring and interlocking control.
project Specification
Applicable series/Size SIRIUS 3RT20 series, Size S0
Extreme number 3 poles
Rated current (AC-3) 38A
Rated power (400V) 18.5kW
Operating current Ie (general purpose) 50A
Control/coil voltage AC/DC 200-280V
Auxiliary contact configuration 1NO+1NC
Terminal type screw type
Rated insulation voltage 690V
Applicable temperature range -25°C ~ 60°C
Installation method Rail quick-release/panel mounting
External dimensions 45mm wide × 107mm deep × 85mm high
Relevant standards IEC 60947-4-1, IEC 61508-2, ISO 13849-1/-2

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